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<p>[QUOTE=&quot;Publius2, post: 3747365, member: 105571&quot;]With all the posts about conserving and cleaning coins, I&#039;ve not seen any discussion about using ultrasonic cleaners.</p><p><br /></p><p>I use a ultrasonic cleaner with a heater and SS case for cleaning my eyeglasses and various machine parts and tools I make in my machine shop.&nbsp; Also works great for cleaning small carburetors and jewelry.</p><p><br /></p><p>I have tried it on cheap, crudded-up coins with mixed results using dishsoap/water and also acetone (very dangerous and not recommended!).</p><p><br /></p><p>My question amounts to a quest for other&#039;s experiences using this tool for gently cleaning coins and for any tips about cleaning solutions/techniques, etc.</p><p><br /></p><p>One of my concerns is about using it such that the crud from the coin falls off and the coin then lays in it with the crud then acting to abrade the coin.&nbsp; I guess I could machine a soft aluminum collar and suspend the coin into the solution from above.</p><p><br /></p><p>Thoughts?[/QUOTE]</p><p><br /></p>

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